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Finding the Fourth Proportional to 673,433.85, 929,344.15 and 367,512.65

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Solution

The fourth proportional to 673,433.85, 929,344.15 and 367,512.65 is: 507,170.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,433.85 : 929,344.15 = 367,512.65 : x
  2. Step 2: Convert to fraction form
    673,433.85/929,344.15 = 367,512.65/x
  3. Step 3: Cross multiply
    673,433.85x = 929,344.15 × 367,512.65
  4. Step 4: Simplify right side
    673,433.85x = 341,545,731,328.50
  5. Step 5: Solve for x
    x = 341,545,731,328.50/673,433.85
  6. Step 6: Final answer
    x = 507,170.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.